$string:unquote(quote(abcde));
$index:str-index($string,"b");
$string2:str-insert($string,"-",3);
$length:str-length($string2);
$slice:str-slice($string2,2,4);
$string3:to-upper-case(to-lower-case($string2));
$tag:unique-id();

$number1:ceil(4.2);
$number2:floor(4.8);
$number3:round(4.2);
$number4:round(4.8);
$number5:abs(-10px);
$number6:random();
$number7:percentage(0.2);
$judge1:comparable(10px,10rem);
$judge2:unitless(100px);
$unit:unit(100px);

$list1:append(10 11 12,66);
$list2:join($list1,$list1,comma,true);
$index:index($list2,66);
$length:length($list2);
$separator:list-separator($list2);
$element:nth($list2,3);

$type1:type-of(10px);
$type2:type-of(10 20 30);
$exist:variable-exists(type1);
$return:call(get-function(ceil),2.3);
$condition:if(2 < 1,20px,0);

$map:(name:auston,age:26);
$value:map-get($map,age);
$has:map-has-key($map,skill);
$key-list:map-keys($map);
$merge:map-merge($map,$map);
$cut:map-remove($map,name);
$value-list:map-values($map);

$color:#BA55D3;
$blue-value:blue($color);
$red-balue:red($color);
$green-value:green($color);
$color2:saturate($color,10%);
$color3:scale-color(#BA55D3,$alpha:-30%,$lightness:-10%,$blue:15%);
